The Flora of Disko Island and Adjacent Coast of West Greenland. 21 



Likewise we have everywhere mentioned if the plant friiits, 

 and our observations are in this case based, not only upon observations 

 and gatherings of seeds and fruits in nature, but also in most cases 

 upon seedlings which we have either collected or observed in nature 

 or cultivated from gathered seeds. Also this material will be treated 

 of in another place. We have especially tried to give minute information 

 in regard to these cases in which fruiting occasionally took place or 

 was always wanting. 



Finally we have stated — mainly proceeding along the lines laid 

 down by Hartz (1. c.) — our observations concerning the hibernation 

 of the piants whether it took place under cover of snow, cover of ice 

 or snowless. But we have hereby only considered the living parts 

 of the piants, buds, live leaves and stalks, and not the withered fruiting 

 inflorescences. 



It is only occasionally that we have stated the occurrence of piants 

 with withered inflorescence over the snow (»winterstanders«, Sernan- 

 der), partly because we think, that a plant with empty or unripe fruits 

 whose seeds consequently have lost their power of germination, ought 

 not to be classed here, and partly because our observations on this 

 point are not yet complete. 



Naturally we have made our experiences from the vicinity of our 

 home in South-Disco the basis of these biological observations. As to 

 species occurring only in more remote regions, which we have but been 

 able to see during winter, we have, as far as possible, tried to judge 

 of the cover of snow there, which is deducible from the local conditions 

 predominant in the place: chiefly the aspect of the rest of the vegeta- 

 tion and, to a great extent, the occurrence of lichens on boulders and 

 stones. In this connection we have again drawn upon our experiences 

 from numerous sledge-travels and excursions during winter, not only 

 on Disco, but also far to the south and north of it. Besides travels 

 along the coasts we have made numerous trips into the inner highland 

 of Disco, through the peninsula of Nugssuaq and the Ataneq-fiord, 

 Nordre Strømfjord, Isortoq fjord to Holsteinborg. 



Numeration. 



In the list we have incorporated with nu mb er s all indigenous 

 species and such varieties or races which had a distribution deviating 

 from the main species. 



With out nu mb er we have incorporated such species that are 

 mentioned in literature, but whose occurrence in the locality we doubt; 

 furthermore acclimatized introduced species. On the other hånd we 

 have not at all incorporated the numerous weeds which now and then 

 appear near the settlements, leading but an ephemeral existence. 



